Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Oxygen sensor heater control circuit...

Toyota Corolla (E120): Oxygen sensor heater control circuit...

Dtc p0031 oxygen sensor heater control circuit low (bank 1 sensor 1)

Dtc p0032 oxygen sensor heater control circuit high (bank 1 sensor 1)

Dtc p0037 oxygen sensor heater control circuit low (bank 1 sensor 2)

Dtc p0038 oxygen sensor heater control circuit high (bank 1 sensor 2)

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Pre–check
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